Presenting the Prague Discourse Treebank 4.0

Jiří Mírovský; Pavlína Synková

doi:10.63317/3qyaqpgm8b25

Presenting the Prague Discourse Treebank 4.0

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Abstract

The Prague Discourse Treebank 4.0 is a large genre-diversified language resource with annotation of discourse relations marked by explicit connectives in Czech texts. It consists of 175 thousand sentences with 82 thousand discourse relations. We present the treebank as well as the methods used during the annotation of its individual parts, some of which were annotated fully manually, others using cost-effective partially automatic methods, achieving a comparable quality. The discourse annotation is available in two formats and theoretical frameworks: the Prague discourse annotation on top of deep syntax dependency trees, and the Penn Discourse Treebank style on top of plain texts, using both discourse type/sense taxonomies in both formats. The corpus is publicly and freely available, offering a valuable resource for linguistic research and natural language processing tasks.

Anthology ID:: 2026.lrec-1.496
Volume:: Proceedings of the Fifteenth Language Resources and Evaluation Conference
Month:: May
Year:: 2026
Address:: Palma de Mallorca, Spain
Editors:: Stelios Piperidis, Núria Bel, Henk van den Heuvel, Nancy Ide, Simon Krek, Antonio Toral
Venue:: LREC
SIG:
Publisher:: ELRA Language Resource Association
Note:
Pages:: 6262–6276
Language:
External URL:: https://lrec.elra.info/lrec2026-main-496
DOI:: 10.63317/3qyaqpgm8b25
Bibkey:
Cite (ACL):: Jiří Mírovský and Pavlína Synková. 2026. Presenting the Prague Discourse Treebank 4.0. In Proceedings of the Fifteenth Language Resources and Evaluation Conference, pages 6262–6276, Palma de Mallorca, Spain. ELRA Language Resource Association.
Cite (Informal):: Presenting the Prague Discourse Treebank 4.0 (Mírovský & Synková, LREC 2026)
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@inproceedings{mirovsky-synkova-2026-presenting,
    title = "Presenting the {P}rague Discourse Treebank 4.0",
    author = "M{\'i}rovsk{\'y}, Ji{\v{r}}{\'i}  and
      Synkov{\'a}, Pavl{\'i}na",
    editor = "Piperidis, Stelios  and
      Bel, N{\'u}ria  and
      van den Heuvel, Henk  and
      Ide, Nancy  and
      Krek, Simon  and
      Toral, Antonio",
    booktitle = "Proceedings of the Fifteenth Language Resources and Evaluation Conference",
    month = may,
    year = "2026",
    address = "Palma de Mallorca, Spain",
    publisher = "ELRA Language Resource Association",
    url = "https://aclanthology.org/2026.lrec-1.496/",
    doi = "10.63317/3qyaqpgm8b25",
    pages = "6262--6276",
    abstract = "The Prague Discourse Treebank 4.0 is a large genre-diversified language resource with annotation of discourse relations marked by explicit connectives in Czech texts. It consists of 175 thousand sentences with 82 thousand discourse relations. We present the treebank as well as the methods used during the annotation of its individual parts, some of which were annotated fully manually, others using cost-effective partially automatic methods, achieving a comparable quality. The discourse annotation is available in two formats and theoretical frameworks: the Prague discourse annotation on top of deep syntax dependency trees, and the Penn Discourse Treebank style on top of plain texts, using both discourse type/sense taxonomies in both formats. The corpus is publicly and freely available, offering a valuable resource for linguistic research and natural language processing tasks."
}

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%0 Conference Proceedings
%T Presenting the Prague Discourse Treebank 4.0
%A Mírovský, Jiří
%A Synková, Pavlína
%Y Piperidis, Stelios
%Y Bel, Núria
%Y van den Heuvel, Henk
%Y Ide, Nancy
%Y Krek, Simon
%Y Toral, Antonio
%S Proceedings of the Fifteenth Language Resources and Evaluation Conference
%D 2026
%8 May
%I ELRA Language Resource Association
%C Palma de Mallorca, Spain
%F mirovsky-synkova-2026-presenting
%X The Prague Discourse Treebank 4.0 is a large genre-diversified language resource with annotation of discourse relations marked by explicit connectives in Czech texts. It consists of 175 thousand sentences with 82 thousand discourse relations. We present the treebank as well as the methods used during the annotation of its individual parts, some of which were annotated fully manually, others using cost-effective partially automatic methods, achieving a comparable quality. The discourse annotation is available in two formats and theoretical frameworks: the Prague discourse annotation on top of deep syntax dependency trees, and the Penn Discourse Treebank style on top of plain texts, using both discourse type/sense taxonomies in both formats. The corpus is publicly and freely available, offering a valuable resource for linguistic research and natural language processing tasks.
%R 10.63317/3qyaqpgm8b25
%U https://aclanthology.org/2026.lrec-1.496/
%U https://doi.org/10.63317/3qyaqpgm8b25
%P 6262-6276

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Markdown (Informal)

[Presenting the Prague Discourse Treebank 4.0](https://aclanthology.org/2026.lrec-1.496/) (Mírovský & Synková, LREC 2026)

Presenting the Prague Discourse Treebank 4.0 (Mírovský & Synková, LREC 2026)

ACL

Jiří Mírovský and Pavlína Synková. 2026. Presenting the Prague Discourse Treebank 4.0. In Proceedings of the Fifteenth Language Resources and Evaluation Conference, pages 6262–6276, Palma de Mallorca, Spain. ELRA Language Resource Association.